crash on adding files to the library while playing files already present
bt
* thread [#1](https://code.videolan.org/videolan/vlc/-/issues/1): tid = 0x2403, 0x3c23a5b0 libobjc.A.dylib`objc_msgSend + 16, stop reason = EXC_BAD_ACCESS (code=1, address=0x31cd9ea3)
frame [#0](https://code.videolan.org/videolan/vlc/-/issues/0): 0x3c23a5b0 libobjc.A.dylib`objc_msgSend + 16
frame [#1](https://code.videolan.org/videolan/vlc/-/issues/1): 0x001481d6 VLC for iOS`-[VLCEventManager(, data=0x1e06b830) callObjectMethodWithArgs:] + 78 at VLCEventManager.m:321
frame [#2](https://code.videolan.org/videolan/vlc/-/issues/2): 0x34cab0f4 Foundation`__NSThreadPerformPerform + 460
frame [#3](https://code.videolan.org/videolan/vlc/-/issues/3): 0x34369682 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 14
frame [#4](https://code.videolan.org/videolan/vlc/-/issues/4): 0x34368ee8 CoreFoundation`__CFRunLoopDoSources0 + 212
frame [#5](https://code.videolan.org/videolan/vlc/-/issues/5): 0x34367cb6 CoreFoundation`__CFRunLoopRun + 646
frame [#6](https://code.videolan.org/videolan/vlc/-/issues/6): 0x342daebc CoreFoundation`CFRunLoopRunSpecific + 356
frame [#7](https://code.videolan.org/videolan/vlc/-/issues/7): 0x342dad48 CoreFoundation`CFRunLoopRunInMode + 104
frame [#8](https://code.videolan.org/videolan/vlc/-/issues/8): 0x37ea62ea GraphicsServices`GSEventRunModal + 74
frame [#9](https://code.videolan.org/videolan/vlc/-/issues/9): 0x361f0300 UIKit`UIApplicationMain + 1120
frame [#10](https://code.videolan.org/videolan/vlc/-/issues/10): 0x000db6f2 VLC for iOS`main() + 70 at main.m:16
(lldb) th backtrace 1
* thread [#1](https://code.videolan.org/videolan/vlc/-/issues/1): tid = 0x2403, 0x3c23a5b0 libobjc.A.dylib`objc_msgSend + 16, stop reason = EXC_BAD_ACCESS (code=1, address=0x31cd9ea3)
frame [#0](https://code.videolan.org/videolan/vlc/-/issues/0): 0x3c23a5b0 libobjc.A.dylib`objc_msgSend + 16
frame [#1](https://code.videolan.org/videolan/vlc/-/issues/1): 0x001481d6 VLC for iOS`-[VLCEventManager(, data=0x1e06b830) callObjectMethodWithArgs:] + 78 at VLCEventManager.m:321
frame [#2](https://code.videolan.org/videolan/vlc/-/issues/2): 0x34cab0f4 Foundation`__NSThreadPerformPerform + 460
frame [#3](https://code.videolan.org/videolan/vlc/-/issues/3): 0x34369682 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 14
frame [#4](https://code.videolan.org/videolan/vlc/-/issues/4): 0x34368ee8 CoreFoundation`__CFRunLoopDoSources0 + 212
frame [#5](https://code.videolan.org/videolan/vlc/-/issues/5): 0x34367cb6 CoreFoundation`__CFRunLoopRun + 646
frame [#6](https://code.videolan.org/videolan/vlc/-/issues/6): 0x342daebc CoreFoundation`CFRunLoopRunSpecific + 356
frame [#7](https://code.videolan.org/videolan/vlc/-/issues/7): 0x342dad48 CoreFoundation`CFRunLoopRunInMode + 104
frame [#8](https://code.videolan.org/videolan/vlc/-/issues/8): 0x37ea62ea GraphicsServices`GSEventRunModal + 74
frame [#9](https://code.videolan.org/videolan/vlc/-/issues/9): 0x361f0300 UIKit`UIApplicationMain + 1120
frame [#10](https://code.videolan.org/videolan/vlc/-/issues/10): 0x000db6f2 VLC for iOS`main() + 70 at main.m:16
(lldb) th backtrace 2
error: no thread with index: "2"
(lldb) th backtrace 3
error: no thread with index: "3"
(lldb) th backtrace 4
thread [#4](https://code.videolan.org/videolan/vlc/-/issues/4): tid = 0x2903, 0x3c73dd98 libsystem_kernel.dylib`__workq_kernreturn + 8
frame [#0](https://code.videolan.org/videolan/vlc/-/issues/0): 0x3c73dd98 libsystem_kernel.dylib`__workq_kernreturn + 8
frame [#1](https://code.videolan.org/videolan/vlc/-/issues/1): 0x3c68bcfa libsystem_c.dylib`_pthread_workq_return + 18
frame [#2](https://code.videolan.org/videolan/vlc/-/issues/2): 0x3c68ba16 libsystem_c.dylib`_pthread_wqthread + 366
(lldb) th backtrace 5
error: no thread with index: "5"
(lldb) th backtrace 6
thread [#6](https://code.videolan.org/videolan/vlc/-/issues/6): tid = 0x2b03, 0x3c73dd98 libsystem_kernel.dylib`__workq_kernreturn + 8
frame [#0](https://code.videolan.org/videolan/vlc/-/issues/0): 0x3c73dd98 libsystem_kernel.dylib`__workq_kernreturn + 8
frame [#1](https://code.videolan.org/videolan/vlc/-/issues/1): 0x3c68bcfa libsystem_c.dylib`_pthread_workq_return + 18
frame [#2](https://code.videolan.org/videolan/vlc/-/issues/2): 0x3c68ba16 libsystem_c.dylib`_pthread_wqthread + 366
(lldb) th backtrace 7
thread [#7](https://code.videolan.org/videolan/vlc/-/issues/7): tid = 0x2d03, 0x3c73d6a4 libsystem_kernel.dylib`__semwait_signal + 24
frame [#0](https://code.videolan.org/videolan/vlc/-/issues/0): 0x3c73d6a4 libsystem_kernel.dylib`__semwait_signal + 24
frame [#1](https://code.videolan.org/videolan/vlc/-/issues/1): 0x3c69b3d2 libsystem_c.dylib`nanosleep + 142
frame [#2](https://code.videolan.org/videolan/vlc/-/issues/2): 0x3c69b33e libsystem_c.dylib`usleep + 50
frame [#3](https://code.videolan.org/videolan/vlc/-/issues/3): 0x0127813e GPUToolsCore`smt_poll_thread_entry(void*) + 126
frame [#4](https://code.videolan.org/videolan/vlc/-/issues/4): 0x3c696310 libsystem_c.dylib`_pthread_start + 308
(lldb) th backtrace 8
thread [#8](https://code.videolan.org/videolan/vlc/-/issues/8): tid = 0x2e03, 0x3c72d648 libsystem_kernel.dylib`kevent64 + 24
frame [#0](https://code.videolan.org/videolan/vlc/-/issues/0): 0x3c72d648 libsystem_kernel.dylib`kevent64 + 24
frame [#1](https://code.videolan.org/videolan/vlc/-/issues/1): 0x3c65d978 libdispatch.dylib`_dispatch_mgr_invoke + 796
frame [#2](https://code.videolan.org/videolan/vlc/-/issues/2): 0x3c65d658 libdispatch.dylib`_dispatch_mgr_thread$VARIANT$mp + 36
(lldb) th backtrace 9
thread [#9](https://code.videolan.org/videolan/vlc/-/issues/9): tid = 0x2f03, 0x3c72ceb4 libsystem_kernel.dylib`mach_msg_trap + 20
frame [#0](https://code.videolan.org/videolan/vlc/-/issues/0): 0x3c72ceb4 libsystem_kernel.dylib`mach_msg_trap + 20
frame [#1](https://code.videolan.org/videolan/vlc/-/issues/1): 0x3c72d04c libsystem_kernel.dylib`mach_msg + 40
frame [#2](https://code.videolan.org/videolan/vlc/-/issues/2): 0x34369044 CoreFoundation`__CFRunLoopServiceMachPort + 128
frame [#3](https://code.videolan.org/videolan/vlc/-/issues/3): 0x34367da2 CoreFoundation`__CFRunLoopRun + 882
frame [#4](https://code.videolan.org/videolan/vlc/-/issues/4): 0x342daebc CoreFoundation`CFRunLoopRunSpecific + 356
frame [#5](https://code.videolan.org/videolan/vlc/-/issues/5): 0x342dad48 CoreFoundation`CFRunLoopRunInMode + 104
frame [#6](https://code.videolan.org/videolan/vlc/-/issues/6): 0x3a2e1504 WebCore`RunWebThread(void*) + 444
frame [#7](https://code.videolan.org/videolan/vlc/-/issues/7): 0x3c696310 libsystem_c.dylib`_pthread_start + 308
(lldb) th backtrace 11
thread [#11](https://code.videolan.org/videolan/vlc/-/issues/11): tid = 0x3003, 0x3c73d08c libsystem_kernel.dylib`__psynch_cvwait + 24
frame [#0](https://code.videolan.org/videolan/vlc/-/issues/0): 0x3c73d08c libsystem_kernel.dylib`__psynch_cvwait + 24
frame [#1](https://code.videolan.org/videolan/vlc/-/issues/1): 0x3c68ed2e libsystem_c.dylib`_pthread_cond_wait + 646
frame [#2](https://code.videolan.org/videolan/vlc/-/issues/2): 0x3c698f18 libsystem_c.dylib`pthread_cond_wait + 40
frame [#3](https://code.videolan.org/videolan/vlc/-/issues/3): 0x34c274d6 Foundation`-[NSCondition wait] + 194
frame [#4](https://code.videolan.org/videolan/vlc/-/issues/4): 0x34bfe576 Foundation`-[NSObject(NSThreadPerformAdditions) performSelector:onThread:withObject:waitUntilDone:modes:] + 654
frame [#5](https://code.videolan.org/videolan/vlc/-/issues/5): 0x34bfe08c Foundation`-[NSObject(NSThreadPerformAdditions) performSelectorOnMainThread:withObject:waitUntilDone:] + 136
frame [#6](https://code.videolan.org/videolan/vlc/-/issues/6): 0x001479ae VLC for iOS`EventDispatcherMainLoop() + 314 at VLCEventManager.m:157
frame [#7](https://code.videolan.org/videolan/vlc/-/issues/7): 0x3c696310 libsystem_c.dylib`_pthread_start + 308
(lldb) th backtrace 15
thread [#15](https://code.videolan.org/videolan/vlc/-/issues/15): tid = 0x340b, 0x3c73d08c libsystem_kernel.dylib`__psynch_cvwait + 24
frame [#0](https://code.videolan.org/videolan/vlc/-/issues/0): 0x3c73d08c libsystem_kernel.dylib`__psynch_cvwait + 24
frame [#1](https://code.videolan.org/videolan/vlc/-/issues/1): 0x3c68ed2e libsystem_c.dylib`_pthread_cond_wait + 646
frame [#2](https://code.videolan.org/videolan/vlc/-/issues/2): 0x3c698f18 libsystem_c.dylib`pthread_cond_wait + 40
frame [#3](https://code.videolan.org/videolan/vlc/-/issues/3): 0x348c08b0 CoreMedia`FigSemaphoreWaitRelative + 260
frame [#4](https://code.videolan.org/videolan/vlc/-/issues/4): 0x353b2e5a MediaToolbox`fpa_AsyncMovieControlThread + 26
frame [#5](https://code.videolan.org/videolan/vlc/-/issues/5): 0x348de892 CoreMedia`figThreadMain + 194
frame [#6](https://code.videolan.org/videolan/vlc/-/issues/6): 0x3c696310 libsystem_c.dylib`_pthread_start + 308
Edited by Felix Paul Kühne